Characterization of orange pigments in decorative outdoor coatings and their weather fastness

Erznožnik, Hana; Razboršek, Tina; Gunde, Marta Klanjšek

doi:10.1016/j.porgcoat.2016.05.007

Cited by 15 publications

(7 citation statements)

References 6 publications

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“…Some of the most known, relevant and applied colour fastness tests are: light, washing, wet and/or dry scrubbing, sublimation, weather etc. 15 – 22 . The most common colour analysis method is the UV–Vis spectroscopy.…”

Section: Introductionmentioning

confidence: 99%

Aspects regarding colour fastness and adsorption studies of a new azo-stilbene dye for acrylic resins

Popa

Rădulescu-Grad

Perdivara³

et al. 2021

Sci Rep

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The aim of this study was the colour fastness investigation of the new synthetized direct symmetrical azo-stilbene dye, using two of the film field domain reference tests, namely the wet-scrub and the UV tests. The dye was incorporated in a water-based resin, and then was applied on a PCV foil. The film colour parameters were determined before and after 200 wet-scrub cycles. Further, the dye was mixed with an acrylo-polyurethanic resin and then was applied on an aluminium plate, which was exposed to UV radiation for 414 h. The film colour parameters were recorded periodically. The maxima of the reflectance spectra depend on the UV time exposure. The quality of the film was analysed by the degree of gloss. A second focus was the elimination of the dye’s traces from wastewaters (these may be resulted from the industries which apply surface coating methods), using the active carbon powder. The main operational adsorption process parameters influence were investigated. Equilibrium, kinetic and thermodynamic studies were performed. The adsorption process was confirmed by the CIEL*a*b* colour space analysis. All colour studies were investigated using UV–Vis spectroscopy.

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Section: Introductionmentioning

confidence: 99%

Aspects regarding colour fastness and adsorption studies of a new azo-stilbene dye for acrylic resins

Popa

Rădulescu-Grad

Perdivara³

et al. 2021

Sci Rep

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“…There are ways to increase the light fastness of prints, such as the use of more expensive dyes and pigments or use of pearlescent pigments or by adding UV absorbers . Our study is oriented toward the investigation of the influence of 3,6‐dithia‐1,8‐octanediol (DTO) on the light fastness of prints overprinted with water‐based flexographic printing ink.…”

Section: Introductionmentioning

confidence: 99%

Improvement of light fastness of water‐based printing inks with addition of glycerol derivative containing thiol groups

Izdebska‐Podsiadły

Żołek‐Tryznowska

Annusik

et al. 2017

Coloration Technology

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The aim of this work was to study the influence of a glycerol derivative with thiol groups, 3,6‐dithia‐1,8‐octanediol (DTO), on light fastness of prints overprinted with water‐based flexographic printing inks. Laboratory printing was performed on various plastic films (BOPP and PE). The effect of a small amount of DTO on printing ink colour was examined by studying the optical density of a full tone area, relative printing contrast and the colour values (CIELAB), and the total colour difference, ΔEab∗. Artificial ageing was applied in order to investigate DTO influence on colourfastness of CMY printing inks. Densitometry and spectrophotometric parameters were measured during artificial ageing by irradiation. Additionally, FTIR spectroscopy was used to observe the changes in ink film on printing bases before and after ageing. The print quality of investigated prints is widely discussed. In general, DTO addition influenced the printability of the plastic film and the optical density of a full tone area with an acceptable total colour difference ΔEab∗. Furthermore, printing inks with added DTO exhibited higher optical density and smaller changes of ΔEab∗ during artificial ageing. Moreover, the FTIR spectra of printing ink films with added DTO after ageing did not exhibit any perceptible changes in contrast with the original printing ink.

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“…Various literature results indicate that colorfastness of any treated surface would be influenced by particle size of the softener. 18,19 That this phenomenon was not observed here was indicative of the strong washfastness of the reactive dyes used.…”

Section: Colorfastnessmentioning

confidence: 70%

Effect of Silicone Softener Particle Size on the Colorfastness, Softness, and Tensile Strength of 100% Cotton Woven Fabrics

Demirci

Güneşoğlu

Topalbekiroğlu

et al. 2017

AATCC Journal of Research

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This work investigates the effect of various silicone based softener particle sizes on woven cotton fabric properties. Twilland plain-woven 100% cotton fabrics dyed with red and blue reactive dyes were used to observe how the softeners acted on different weave patterns and colors. Fabrics treated with macro-, micro-, and nano-emulsion softeners were assessed for softness, tensile strength, and colorfastness with respect to laundering, perspiration, and crocking. Macro-emulsion softeners gave softer cotton fabric than micro-and nano-softeners. Micro-emulsion softeners had the most favorable tensile properties. Micro-and nano-emulsion softeners imparted better washfastness and perspiration fastness. The effects of silicone softener particle size and fabric construction properties on the softness, fastness, and mechanical properties of the treated cotton fabric were studied.

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Characterization of orange pigments in decorative outdoor coatings and their weather fastness

Cited by 15 publications

References 6 publications

Aspects regarding colour fastness and adsorption studies of a new azo-stilbene dye for acrylic resins

Aspects regarding colour fastness and adsorption studies of a new azo-stilbene dye for acrylic resins

Improvement of light fastness of water‐based printing inks with addition of glycerol derivative containing thiol groups

Effect of Silicone Softener Particle Size on the Colorfastness, Softness, and Tensile Strength of 100% Cotton Woven Fabrics

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